[Cryptography] IPv6 and IPSEC

Lucky Green shamrock at cypherpunks.to
Wed Sep 4 03:14:36 EDT 2013

On Tue, Sep 03, 2013 at 10:27:14PM -0700, Taral wrote:
> On Tue, Sep 3, 2013 at 8:54 PM, Lucky Green <shamrock at cypherpunks.to> wrote:
> > In its cryptic explanation of the bounces, Google makes one thing clear: whatever
> > reason they have to bounce the email, that reason only applies to IPv6. I believe
> > this is wrong.
> It only applies to IPv6 because applying it to IPv4 would break too
> many people. Not enough people use IPv6, so they are insisting on good
> hygiene there.
> Why do you not have PTR records for your IPv6 address? The problem is
> that, not Google's policy.

I *have* PTR records for my IPv6 addresses. What I don't know is which PTR records will make Gmail happy. SPF PTR records clearly do not do the trick.


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